1-[1-(1-(1/2)(1/2))(1/2)]^2 = 39/64
my answer: 39/64
所有跟帖:
• formula are ...,the denometer can't be 64. -jinjing- ♀ (0 bytes) () 06/19/2010 postreply 19:25:24
• correct -wfmi- ♂ (0 bytes) () 06/28/2010 postreply 11:48:50
• formula are ...,the denometer can't be 64. -jinjing- ♀ (0 bytes) () 06/19/2010 postreply 19:25:24
• correct -wfmi- ♂ (0 bytes) () 06/28/2010 postreply 11:48:50
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